diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21ddaff..593a085 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.25.0)
 
 project(DDM
-    VERSION 0.3.8
+    VERSION 0.4.0
     LANGUAGES CXX C)
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
diff --git a/debian/changelog b/debian/changelog
index 98101df..6db6e9f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+ddm (0.4.0) unstable; urgency=medium
+
+  * feat: store logind session id as string instead of int
+  * fix: correct D-Bus policy attribute from group to context
+
+ -- rewine <luhongxu@deepin.org>  Sat, 10 Oct 2026 11:29:29 +0800
+
 ddm (0.3.8) unstable; urgency=medium
 
   * feat: support automatic login for user sessions